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Vulnerabilities
Vulnerability

CVE-2026-55255

Reference data from vuln.mlab.sh, coverage from our own index.

CVSS
8.4 High
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
Risk score
100.0
Known exploited
CISA KEV
Published
2026-06-23
Status
Published

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.1, an Insecure Direct Object Reference (IDOR) vulnerability in /api/v1/responses endpoint allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request. This vulnerability is fixed in 1.9.1.

Weaknesses

CWE-639

Coverage 2

Advisories and references